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Norwalk, Ohio
Inside Norwalk's city limits, a shallow water table limits basements on 66% of mapped land. Shrink-swell clay limits houses without basements on under 1%.
That water-table share is below Huron County's 90%. FEMA's flood data list 1 flood losses since 2016 in ZIP code 44857 overlapping the city. Of its 7,898 homes, 64% were built before 1980; the median dates from 1968.
Data as of October 13, 2026 · sources · in Huron County
expansive clay: shrink-swell limits slab homes
high water table: limits basements
flood losses since 2016 in 1 overlapping ZIP
of homes built before 1980
Basement waterproofing in Norwalk
Basement waterproofing in Norwalk: a shallow water table limits basements on 66% of Norwalk's mapped land, and the ZIP code overlapping Norwalk logged 1 FEMA flood losses since 2016.
About 4,800 of Norwalk's 7,898 homes are detached houses.
Soil under Norwalk city limits
| Expansive clay (limits slab homes) | 0.4% |
| High water table (limits basements) | 65.6% |
| Septic fields very limited | 85.3% |
| Clay swell (LEP, by area) | 2.6% |
| High-swell land (LEP 6%+) | 0.0% |
| Mapped soil | 5,834 acres |
What the numbers mean here
On 66% of Norwalk's mapped land, soil stays saturated within about 6 feet of the surface for part of the year, which is basement depth.
USDA rates 85% of the land very limited for septic absorption fields.
Drought in Huron County
0% of Huron County is in drought (D1 or worse) on the October 13, 2026 map. County detail.
Flood losses by ZIP code
FEMA flood records since 2016 in the ZIP codes that overlap Norwalk. ZIP areas reach past city limits.
| ZIP | Share of city land | Flood losses | Paid |
|---|---|---|---|
| 44857 | 100% | 1 | $10,962 |
Homes in Norwalk
| Housing units | 7,898 |
| Median year built | 1968 |
| Built before 1980 | 64% |
| Built 2000 or later | 16% |
| Owner-occupied | 65% |
| Median value, owner-occupied | $163,300 |
| Single-family detached | 61% |
Nearby cities
| Place | Distance | Expansive clay | High water table |
|---|---|---|---|
| Milan | 3 mi | 0% | 68% |
| Monroeville | 5 mi | under 1% | 67% |
| Berlin Heights | 8 mi | under 1% | 49% |
| North Fairfield | 10 mi | under 1% | 49% |
| Wakeman | 11 mi | under 1% | 85% |
| Huron | 11 mi | 0% | 82% |
| Bellevue | 12 mi | 1% | 64% |
| Willard | 15 mi | under 1% | 99% |
Sources: USDA SSURGO (August 5, 2026) · US Drought Monitor (October 13, 2026) · FEMA NFIP v3 (September 9, 2026) · Census ACS 2020-2024. Methods · Data status